Some fun ways to survive the current hiatus can be found in this piece at BuddyTV.
The list of Supernatural-related guests at Dragon*Con is growing, now up to four: Misha Collins, Jim Beaver, Mark A. Sheppard, and Julie McNiven.
Another fun hangout for fans of Supernatural, BuddyTV's Supernatural Insider page on Facebook.
News is a little thin, so here's an extra tidbit that doesn't have anything to do with Supernatural but does include supernatural beings. SyFy's Being Human has been picked up for a second season. Yay!